La Jolla, CA, United States of America

L David Engel

This inventor holds 1 USPTO granted patent. Top assignee: Optiva, Inc.. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: L David Engel. Retrieved from https://idiyas.com/inventor/l-david-engel

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 105(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: L David Engel: Innovator in Acoustic Toothbrush Technology

Introduction

L David Engel is a notable inventor based in La Jolla, CA (US). He has made significant contributions to the field of dental hygiene through his innovative designs. Engel holds a patent for a unique brush element specifically designed for acoustic toothbrushes.

Latest Patents

Engel's patent, titled "Brush element for an acoustic toothbrush," features a brush element that includes a base with a connecting portion capable of receiving the lever arm of a vibrating toothbrush. The design incorporates successive lateral rows of spaced bristles anchored in the brush base. This pattern consists of two rows of full-length bristles that form a peak, followed by a third row of shorter bristle portions that are approximately 0.2 inches shorter than the full-length bristles. Engel's inventive approach enhances the effectiveness of acoustic toothbrushes, promoting better oral hygiene.

Career Highlights

Engel is associated with Optiva, Inc., where he continues to develop innovative dental care solutions. His work at the company reflects his commitment to improving consumer health through technology. Engel's patent demonstrates his ability to merge engineering with practical applications in everyday products.

Collaborations

Engel collaborates with David Giuliani, a coworker at Optiva, Inc. Their partnership exemplifies the importance of teamwork in the innovation process, as they work together to bring new ideas to fruition.

Conclusion

L David Engel's contributions to acoustic toothbrush technology highlight his role as an inventor dedicated to enhancing dental hygiene. His innovative designs and collaborative efforts continue to influence the industry positively.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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